Grail Watch Reference
A Reference Library for Watches from Grail Watch
Movement Database
Grail Watch Blog
Reference Documents
1979 Citizen Movement Table
Seiko Blue Book Automatic Movement Chronology
Seiko Laurel Brochure
Seiko List of Basic and Derivative Calibres
About Grail Watch
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Complications
24 Hour Hand
Annual Calendar
Chronograph
-2-Button
-Column Wheel Chronograph
-Flyback Chronograph
-Modular Chronograph
Date
-Date by Pointer
-Quick Date Correction
-Retrograde Date
Day
-Day by Pointer
Day/Night Indicator
GMT Hand
-Independently-Adjustable 12 Hour Hand
Leap Year
Month
-Month by Pointer
Moon Phase
Perpetual Calendar
Hands
12 Hour Chronograph Hand at 6:00
24 Hour Hand at 1:30
24 Hour Hand at 6:00
30 Minute Chronograph Hand at 3:00
30 Minute Chronograph Hand at 9:00
Central 60 Second Chronograph Hand
Central Date Pointer
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 12:00
Date Window at 3:00
Date Window at 6:00
Date Window at 9:00
Day Pointer at 9:00
Day Window at 9:00
Hour Hand at 12:00
Leap Year Window at 12:00
Minute Hand at 12:00
Month Pointer at 3:00
Month Window at 3:00
Moon Phase Wheel at 12:00
Moon Phase Wheel at 6:00
Small Seconds Hand at 3:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
Agenhor
Bulgari
Parmigiani Fleurier
Vaucher Manufacture
Winding
Automatic
-Central Rotor Automatic Winding
-Uni-Directional Automatic Winding
--Clockwise Automatic Winding
--Counter-Clockwise Automatic Winding
Two Barrel
Regulators
Mobile Stud
Variable Inertia Blocks
Production Periods
2000s
2010s
2020s
Frequency
28,800 A/h
Anti-Shock
Incabloc Double-Cone
Jewels
28
29
32
38
46
68
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
-Balance at 8:00
BVL 193
PF310
PF315
PF317
PF318
PF331
PF333
PF334
PF335
PF337
PF339
PF441
VMF 3022
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